OpenTechnical

OT-2026-000074805

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000074805) never changes.

Identity and time

Publication numberOT-2026-000074805 · never reused
Internal UUID01a0ae93-ac2c-7fd4-9fe3-f72e2eac3fbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074805
StatusPUBLIC

Content hashes

Canonical textdac742642ffbac168cd65f745d5f2daca16d5e85b6e12082a4994158bb2c9c09
Markdownad98edd5244b92727e8388430a123662c10494af84ae9f40e95dd39e2cb54ed3
PDF
Publication page8ea2d4be4dce6ac46608986caa6e8a5cd3412550b2a4be1dadb19b496209ee40
Manifestcf9cca98f806a9e5eea87c66c1f32e4f13c718ed72bff7eec126108b5bf234ab

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature9GtRqsvOGjhrknSU0DD3UVtQDQ9xMPANSQV3Z3SnM9Zd+9bdN6f67gSqvvQaqdbPopvlT736cMX+RKJ+v3f7Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:30.614394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074805
observed 8ea2d4be4dce6ac46608986caa6e8a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.597441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074805/manifest.json
observed cf9cca98f806a9e5eea87c66c1f32e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.581372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074805/publication.md
observed ad98edd5244b92727e8388430a123662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.563580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074805/publication.txt
observed dac742642ffbac168cd65f745d5f2dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.